I don't know what "this" means here - but Spain, England and Portugal based their empires on their sea explorations and colonizations - all their colonies were not reachable (or only by de-tours) by land.
China, on the other hand was not based on Islands, but connected by land: so here China is the best option.
Desegregation is the ending of a policy of racial segregation.
De-segregate.
Easier travel and trade.. with others outside
<span>Meriwether <span>Lewis was killed. Or as some call it ---- a suicide. </span></span>